Round glass bottle with cork stopper; label attached to front identifies manufacturer and contents (label has been waxed over).

Round glass bottle with glass stopper; label attached to front identifies manufacturer and contents (label has been waxed over).

Round glass bottle with cork stopper; label attached to front identifies manufacturer and contents (label has been waxed over).

Round glass bottle with glass stopper; label attached to front identifies manufacturer and contents (label has been waxed over).

Round glass bottle with cork stopper; label attached to front identifies manufacturer and contents (label has been waxed over).

Round glass bottle with cork stopper; label attached to front identifies manufacturer and contents (label has been waxed over); bottle is half full with original dye.

Round glass bottle with glass stopper; label attached to front identifies manufacturer and contents (label has been waxed over); bottle is half full with original dye.

Round glass bottle with cork stopper; label attached to front identifies manufacturer and contents (label has been waxed over); bottle is half full with original dye.

Cast iron base attached to a sloping cast iron upright supporting the reader, prisms, sample cups, and a mechanism for raising and lowering the sample cups on a focusing rail; metal knobs on each side control the height…

General view of the control panel of a Bendix Corporation Model 1076A Chromatograph Manifold Inlet System designed for use with a Bendix Time-of-Flight Mass Spectrometer. Inlet systems are typically used to introduce…

Color print magazine advertisement for Cole of California's Celaperm line, made from colored Celanese acetate yarn.

Article from Better Homes and Gardens, July 1955.

This model followed in the tradition of the DU, the first ultraviolent/visible spectrum spectrophotometer.

The first Beckman Instruments DU Spectrophotometer was developed in 1940, when the company was still called…

The first Beckman Instruments DU Spectrophotometer was developed in 1940, when the company was still called National Technical Laboratories. Spurred by employee Howard Cary (who had previously been involved in pH meter…

The DU-7 featured a microprocessor and a built in video graphic display. It was released in 1981.

The first Beckman Instruments DU Spectrophotometer was developed in 1940, when the company was still called National…

The first Beckman Instruments DU Spectrophotometer was developed in 1940, when the company was still called National Technical Laboratories. Spurred by employee Howard Cary (who had previously been involved in pH meter…

This model of DU Spectrophotometer was first produced in 1980 and used a mirocomputer to control results, could store up to 9 user-generated programs, and could print results.

The first Beckman Instruments DU…

This model of DU Spectrophotometer was first produced in 1980 and used a mirocomputer to control results, could store up to 9 user-generated programs, and could print results.

The first Beckman Instruments DU…

Beckman's Model 24 was a double-beam visible light spectrophotometer.

Colorimeters are used to quantify the concentration of a solute in a solution by measuring the absorbance of a particular wavelength or color of light by the solution.

Beckman released the Model 42 Clinical Spectrophotometer in 1981.

Sample book for Naphtol AS dyes, used for "embroidery purposes, for effects in silk, woollen and cotton clothes, for curtains, underwear made of artificial silk, etc." Contains dyeing instructions and 70 mounted dyed…

Beckman's Space Engineering Group designed and built "the Moonspoon," a prototype instrument to sample and analyze lunar soil via absorption spectroscopy.

Beckman's Space Engineering Group designed and built "the Moonspoon," a prototype instrument to sample and analyze lunar soil via absorption spectroscopy.